Caffeine in Skin Care: Does It Actually Work?

Caffeine is not just for mornings anymore.

This simple yet effective ingredient is gaining traction in the beauty world, thanks to its popularity on TikTok and celebrity endorsers who say caffeine-infused skin-care products are a quick, affordable way to give your face a little pick-me-up.

Why Caffeine Is Added to Skin-Care Products

While it may sound too good to be true, those caffeine skin-care devotees may be onto something.

Caffeine is a vasoconstrictor, meaning it makes your blood vessels get smaller and tighten, says Jeffrey Hsu, MD, a board-certified dermatologist and codirector of Oak Dermatology in Chicago.

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